622957253 has 8 divisors (see below), whose sum is σ = 632381208. Its totient is φ = 613557504.

The previous prime is 622957249. The next prime is 622957289. The reversal of 622957253 is 352759226.

It can be written as a sum of positive squares in 4 ways, for example, as 75724804 + 547232449 = 8702^2 + 23393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622957253 - 2² = 622957249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622957253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622957213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49625 + ... + 60897.

It is an arithmetic number, because the mean of its divisors is an integer number (79047651).

Almost surely, 2^622957253 is an apocalyptic number.

It is an amenable number.

622957253 is a deficient number, since it is larger than the sum of its proper divisors (9423955).

622957253 is a wasteful number, since it uses less digits than its factorization.

622957253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103.

The product of its digits is 226800, while the sum is 41.

The square root of 622957253 is about 24959.1116228122. Note that the first 3 decimals coincide. The cubic root of 622957253 is about 854.0554771479.

The spelling of 622957253 in words is "six hundred twenty-two million, nine hundred fifty-seven thousand, two hundred fifty-three".